The Ultimate Fighter — Team Carwin vs. Team Nelson

Shane Carwin and Roy Nelson coach opposing teams of fighters competing for a six-figure UFC contract.

The sixteen victorious fighters moved into the house. Rifts immediately began to form, with Matt Secor and Julian Lane frequently arguing. Later, Lane and Colton Smith pulled a prank on members of Team Carwin.

Coach Carwin makes his first matchup as the second pair of welterweights square off in the Octagon. Also, one fighter's noisy late night activities create enemies on both teams.

The third elimination bout is held between Team Carwin and Team Nelson. Also: Dana White treats the fighters to a special outing; Roy uses a bizarre method to pick the next matchup; and one fighter's weight puts his future in jeopardy.

A fourth fighter is eliminated from the 16 welterweights battling for a coveted UFC contract.

The fifth preliminary bout between Team Carwin and Team Nelson is held after tempers flare up in the house and training intensifies at the gym.

The sixth preliminary bout between Team Carwin and Team Nelson.

The seventh preliminary bout between Team Carwin and Team Nelson.

The final preliminary bout between Team Carwin and Team Nelson.

The first two quarterfinal fights.

The quarterfinals continue with Team Nelson's Joey Rivera and Jon Manley entering the octagon, followed by Michael Hill vs. Mike Ricci in an all Canadian bout. Dana White announces the semifinal matchups.

Four welterweights compete in the semifinals, for berths in the TUF Finale on Dec. 15 in Las Vegas. Mike Ricci faces Neil Magny on the Team Carwin side, while Colton Smith meets Jon Manley for Team Nelson.

Colton Smith vs. Mike Ricci in the Season 16 finale in Las Vegas. Roy Nelson vs. Matt Mitrione headlines the additional card. The Ultimate Fighter winner earns a six figure UFC contract and a custom motorcycle.